Isolation of ST398 methicillin-resistant Staphylococcus aureus from pigs at abattoirs in Tohoku region, Japan.


Journal

The Journal of veterinary medical science
ISSN: 1347-7439
Titre abrégé: J Vet Med Sci
Pays: Japan
ID NLM: 9105360

Informations de publication

Date de publication:
07 Oct 2020
Historique:
pubmed: 14 7 2020
medline: 30 6 2021
entrez: 14 7 2020
Statut: ppublish

Résumé

Here, we investigated the presence of ST398 livestock-associated methicillin-resistant Staphylococcus aureus (LA-MRSA) in nasal swabs of 420 slaughtered pigs from 84 farms at three abattoirs in Tohoku, Japan. MRSA were isolated from 13 (3.1%) samples from 9 (10.7%) farms at two abattoirs. All isolates were classified as ST398 and were resistant to ampicillin and tetracycline. Ten and three isolates were classified as Staphylococcal Cassette Chromosome mec (SCCmec) types V and IVa, respectively. All type V isolates possessed czrC. The minimum inhibitory concentrations (MICs) of zinc chloride against types IVa and V were 1 and 4 mM, respectively. This study shows the presence of ST398 MRSA in pigs in this region. Antimicrobials and zinc compounds in feed and drugs might select SCCmec type V ST398 MRSA.

Identifiants

pubmed: 32655101
doi: 10.1292/jvms.20-0184
pmc: PMC7538316
doi:

Substances chimiques

Anti-Bacterial Agents 0

Types de publication

Journal Article

Langues

eng

Sous-ensembles de citation

IM

Pagination

1400-1403

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Auteurs

Yoshimasa Sasaki (Y)

Division of Biomedical Food Research, National Institute of Health Sciences, 3-25-26 Tonomachi, Kawasaki-ku, Kawasaki, Kanagawa 210-9501, Japan.
Department of Applied Veterinary Science, the United Graduate School of Veterinary Science, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan.

Makiko Yamanaka (M)

Towada Meat Inspection Center of Aomori Prefecture, 1-13 Nozaki, Sannbonngi, Towada, Aomori 034-0001, Japan.

Kazuhisa Nara (K)

Towada Meat Inspection Center of Aomori Prefecture, 1-13 Nozaki, Sannbonngi, Towada, Aomori 034-0001, Japan.

Shigeko Tanaka (S)

Towada Meat Inspection Center of Aomori Prefecture, 1-13 Nozaki, Sannbonngi, Towada, Aomori 034-0001, Japan.

Masashi Uema (M)

Division of Biomedical Food Research, National Institute of Health Sciences, 3-25-26 Tonomachi, Kawasaki-ku, Kawasaki, Kanagawa 210-9501, Japan.

Tetsuo Asai (T)

Department of Applied Veterinary Science, the United Graduate School of Veterinary Science, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan.
Education and Research Center for Food Animal Health, Gifu University (GeFAH), 1-1 Yanagido, Gifu 501-1193, Japan.

Yutaka Tamura (Y)

Department of Health and Environmental Sciences, School of Veterinary Medicine, Rakuno Gakuen University, 582 Midorimachi, Bunkyodai, Ebetsu, Hokkaido 162-8640, Japan.

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Classifications MeSH